Claude Sonnet 5 vs Claude Sonnet 5.5

Prices checked , Phala (RedPill)'s from

Claude Sonnet 5 and Claude Sonnet 5.5 split the 5 rounds this table counts: the maker's two prices, the cheapest price, the maker's blended price and context. The weighting you pick decides the rest.

Anthropic

Claude Sonnet 5

1M context · tool calling · reads images

$4/M tokens

Anthropic's own price · $1.80 per 1,000 pages

Anthropic

Claude Sonnet 5.5

1M context · tool calling · reads images

$4/M tokens

Anthropic's own price · $1.80 per 1,000 pages

Maker's price in (lower wins)

$2/M

$2/M

Maker's price out (lower wins)

$10/M

$10/M

Cheapest price (lower wins)

none below the maker

none below the maker

Maker's price, blended (lower wins)

$4/M

$4/M

Cost per 1,000 pages (lower wins)

$1.80

$1.80

Context

1M tokens

1M tokens

Open weights

no

no

Tool calling

yes

yes

Structured output

yes

yes

Reads images

yes

yes

Reasoning

yes

yes

Released

29 Jun 2026

28 Sept 2026

Providers selling it

51

44

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

no provider to check

no provider to check

Providers selling both · 41

  • 302.AI$4 / $4
  • AI/ML API$4 / $4
  • AIHubMix$4 / $4
  • Amazon Bedrock$4 / $4
  • Anthropic$4 / $4
  • Azure AI Foundry$4 / $4
  • Azure Cognitive Services$4 / $4
  • Cloudflare AI Gateway$4 / $4

Claude Sonnet 5, then Claude Sonnet 5.5, per million tokens; the 8 cheapest of 41.

Go further

Add a third or fourth model, or change the weighting, in the tool.

What moved this week

  1. Claude Sonnet 5

    Cortecs · 1% cheaper ·

    $2.19 / $10.94 $2.21 / $11.05

Frequently asked

Which is cheaper, Claude Sonnet 5 or Claude Sonnet 5.5?
Neither: both run at $4 per million tokens, blended 3 in : 1 out, read on 13 Nov 2026.
Where is each one cheapest?
Claude Sonnet 5: nobody sells it below the maker's own price with a stated reason, so $4 is the number to beat. Claude Sonnet 5.5: nobody sells it below the maker's own price with a stated reason, so $4 is the number to beat.
Can I buy both from one provider?
Yes. 41 providers sell both: 302.AI, AI/ML API, AIHubMix, Amazon Bedrock, Anthropic, Azure AI Foundry, and more. The cheapest of them for the two together is 302.AI.
Which holds more context?
Both hold 1M tokens in one call.

Prices exclude tax, read 13 Nov 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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